Add shipping method js infrastructure for angularising admin enterprises page

app/assets/javascripts/admin/enterprises/controllers/enterprise_controller.js.coffee

@@ -1,19 +1,35 @@
 angular.module("admin.enterprises")
-  .controller "enterpriseCtrl", ($scope, Enterprise, PaymentMethods) ->
+  .controller "enterpriseCtrl", ($scope, Enterprise, PaymentMethods, ShippingMethods) ->
     $scope.Enterprise = Enterprise.enterprise
     $scope.PaymentMethods = PaymentMethods.paymentMethods
+    $scope.ShippingMethods = ShippingMethods.shippingMethods
 
     for PaymentMethod in $scope.PaymentMethods
       PaymentMethod.selected = if PaymentMethod.id in $scope.Enterprise.payment_method_ids then true else false
 
+    $scope.paymentMethodsColor = ->
+      if $scope.PaymentMethods.length > 0
+        if $scope.selectedPaymentMethodsCount() > 0 then "blue" else "red"
+      else
+        "red"
+
     $scope.selectedPaymentMethodsCount = ->
       $scope.PaymentMethods.reduce (count, PaymentMethod) ->
         count++ if PaymentMethod.selected
         count
       , 0
 
-    $scope.paymentMethodsColor = ->
-      if $scope.PaymentMethods.length > 0
-        if $scope.selectedPaymentMethodsCount() > 0 then "blue" else "red"
+    for ShippingMethod in $scope.ShippingMethods
+      ShippingMethod.selected = if ShippingMethod.id in $scope.Enterprise.shipping_method_ids then true else false
+
+    $scope.shippingMethodsColor = ->
+      if $scope.ShippingMethods.length > 0
+        if $scope.selectedShippingMethodsCount() > 0 then "blue" else "red"
       else
-        "red"
+        "red"
+
+    $scope.selectedShippingMethodsCount = ->
+      $scope.ShippingMethods.reduce (count, ShippingMethod) ->
+        count++ if ShippingMethod.selected
+        count
+      , 0

app/assets/javascripts/admin/enterprises/enterprises.js.coffee

@@ -1 +1 @@
-angular.module("admin.enterprises", ["admin.payment_methods"])
+angular.module("admin.enterprises", ["admin.payment_methods", "admin.shipping_methods"])

app/assets/javascripts/admin/shipping_methods/controllers/shipping_method_controller.js.coffee

@@ -0,0 +1,4 @@
+angular.module("admin.shipping_methods")
+  .controller "shippingMethodCtrl", ($scope, ShippingMethods) ->
+    $scope.findShippingMethodByID = (id) ->
+      $scope.ShippingMethod = ShippingMethods.findByID(id)

app/assets/javascripts/admin/shipping_methods/services/shipping_methods.js.coffee

@@ -0,0 +1,8 @@
+angular.module("admin.shipping_methods")
+  .factory "ShippingMethods", (shippingMethods) ->
+    new class ShippingMethods
+      shippingMethods: shippingMethods
+      
+      findByID: (id) ->
+        for shippingMethod in @shippingMethods
+          return shippingMethod if shippingMethod.id is id

app/assets/javascripts/admin/shipping_methods/shipping_methods.js.coffee

@@ -0,0 +1 @@
+angular.module("admin.shipping_methods", [])

spec/javascripts/unit/admin/enterprises/controllers/enterprise_controller_spec.js.coffee

@@ -2,15 +2,84 @@ describe "enterpriseCtrl", ->
   ctrl = null
   scope = null
   Enterprise = null
+  PaymentMethods = null
+  ShippingMethods = null
 
   beforeEach ->
     module('admin.enterprises')
     Enterprise = 
-      enterprise: "test enterprise"
+      enterprise:
+        payment_method_ids: [ 1, 3 ]
+        shipping_method_ids: [ 2, 4 ]
+    PaymentMethods =
+      paymentMethods: [ { id: 1 }, { id: 2 }, { id: 3 }, { id: 4 } ]
+    ShippingMethods =
+      shippingMethods: [ { id: 1 }, { id: 2 }, { id: 3 }, { id: 4 } ]
         
     inject ($controller) ->
       scope = {}
-      ctrl = $controller 'enterpriseCtrl', {$scope: scope, Enterprise: Enterprise}
+      ctrl = $controller 'enterpriseCtrl', {$scope: scope, Enterprise: Enterprise, PaymentMethods: PaymentMethods, ShippingMethods: ShippingMethods}
 
-  it "stores enterprise", ->
-    expect(scope.enterprise).toBe Enterprise.enterprise
+  describe "initialisation", ->
+    it "stores enterprise", ->
+      expect(scope.Enterprise).toEqual Enterprise.enterprise
+
+    it "stores payment methods", ->
+      expect(scope.PaymentMethods).toBe PaymentMethods.paymentMethods
+
+    it "stores shipping methods", ->
+      expect(scope.ShippingMethods).toBe ShippingMethods.shippingMethods
+
+    it "sets the selected property of each payment method", ->
+      expect(PaymentMethods.paymentMethods[0].selected).toBe true
+      expect(PaymentMethods.paymentMethods[1].selected).toBe false
+      expect(PaymentMethods.paymentMethods[2].selected).toBe true
+      expect(PaymentMethods.paymentMethods[3].selected).toBe false
+
+    it "sets the selected property of each shipping method", ->
+      expect(ShippingMethods.shippingMethods[0].selected).toBe false
+      expect(ShippingMethods.shippingMethods[1].selected).toBe true
+      expect(ShippingMethods.shippingMethods[2].selected).toBe false
+      expect(ShippingMethods.shippingMethods[3].selected).toBe true
+
+  describe "determining payment method colour", ->
+    it "returns 'blue' when at least one payment method is selected", ->
+      scope.PaymentMethods = [ { id: 1 } ]
+      spyOn(scope, "selectedPaymentMethodsCount").andReturn 1
+      expect(scope.paymentMethodsColor()).toBe "blue"
+
+    it "returns 'red' when no payment methods are selected", ->
+      scope.PaymentMethods = [ { id: 1 } ]
+      spyOn(scope, "selectedPaymentMethodsCount").andReturn 0
+      expect(scope.paymentMethodsColor()).toBe "red"
+
+    it "returns 'red' when no payment methods exist", ->
+      scope.PaymentMethods = [ ]
+      spyOn(scope, "selectedPaymentMethodsCount").andReturn 1
+      expect(scope.paymentMethodsColor()).toBe "red"
+
+  describe "counting selected payment methods", ->
+    it "counts only payment methods with selected: true", ->
+      scopePaymentMethods = [ { selected: true }, { selected: false }, { selected: false }, { selected: true } ]
+      expect(scope.selectedPaymentMethodsCount()).toBe 2
+
+  describe "determining shipping method colour", ->
+    it "returns 'blue' when at least one shipping method is selected", ->
+      scope.ShippingMethods = [ { id: 1 } ]
+      spyOn(scope, "selectedShippingMethodsCount").andReturn 1
+      expect(scope.shippingMethodsColor()).toBe "blue"
+
+    it "returns 'red' when no shipping methods are selected", ->
+      scope.ShippingMethods = [ { id: 1 } ]
+      spyOn(scope, "selectedShippingMethodsCount").andReturn 0
+      expect(scope.shippingMethodsColor()).toBe "red"
+
+    it "returns 'red' when no shipping method exist", ->
+      scope.ShippingMethods = [ ]
+      spyOn(scope, "selectedShippingMethodsCount").andReturn 1
+      expect(scope.shippingMethodsColor()).toBe "red"
+
+  describe "counting selected shipping methods", ->
+    it "counts only shipping methods with selected: true", ->
+      scope.ShippingMethods = [ { selected: true }, { selected: true }, { selected: false }, { selected: true } ]
+      expect(scope.selectedShippingMethodsCount()).toBe 3